Package Blank with Double-Walled End Walls and Integrated Handles
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Solution Overview
Problem
Existing packaging designs fail to efficiently utilize material, are difficult to erect, require adhesives for stability, and do not facilitate easy stacking and carrying without additional bags.
Innovation Solution
A package blank comprising interconnected major panels forming a double-walled structure with integrated handles, allowing for easy erection, adhesion-free assembly, and stable handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If traditional packaging designs are used, then material efficiency is poor, but if the patent's design is used, then material efficiency is improved while maintaining structural integrity
Solution Approach 1:
The blank is divided into multiple functional panels (front wall panel, bottom panel, rear wall panel, lid panel, end wall panels, handle panels) that are foldably interconnected. This segmentation allows efficient material utilization while maintaining structural integrity through the coordinated folding and assembly of these segments into the final package structure.
Solution Approach 2:
The handle panels are nested within the double-walled end wall structure, with the first handle panel inserted between the first and second end wall panels. This nesting arrangement maximizes material efficiency by integrating the handle into the existing wall structure rather than adding separate components, while maintaining both structural strength and handle functionality.
2Ease of manufacture
If adhesive is used to keep the box erected and closed, then structural stability is improved, but if adhesive is not used, then ease of manufacture is improved
Solution Approach 1:
The package employs dynamic interlocking mechanisms where panels are foldably interconnected through hinges and locking structures. The end wall panels are configured to be folded relative to each other to form a stable double-walled structure, and the lid panel can be opened and closed independently. This dynamic design allows the package to maintain stability through mechanical interlocking rather than adhesive, enabling easy assembly and disassembly.
Solution Approach 2:
The blank is designed to self-erect into a stable package structure through its own geometric and mechanical features. The foldable interconnections and double-walled end wall configuration enable the structure to maintain its erected state without external adhesive, allowing the package to be easily manufactured and assembled by simple folding and locking actions.
3Strength
If double-walled end wall structure is used, then strength is improved, but if integrated handle is added, then device complexity is improved
Solution Approach 1:
The handle function is merged with the end wall structure by integrating the handle panels into the double-walled end wall assembly. The first handle panel is inserted between the first and second end wall panels, combining the structural support function of the double-walled design with the carrying function of the handle into a single integrated structure, thereby reducing overall device complexity.
Solution Approach 2:
The end wall panels serve multiple functions: they provide structural strength through the double-walled configuration, accommodate the handle panels for carrying, and maintain the overall package shape. This multi-functionality reduces the need for separate components, simplifying the overall structure while maintaining both strength and handle functionality.
4Ease of operation
If lid panel is made independently operable, then ease of operation is improved, but if handle is integrated, then structural integrity is worsened
Solution Approach 1:
The lid panel is segmented from the handle panel, allowing the lid to be opened and closed independently while the handle panel remains integrated into the end wall structure. This segmentation enables independent operation of the lid without compromising the structural integrity of the handle, as each component maintains its own functional pathway and structural support.
Data Source
Figure 1
Figure 2A~2B
Figure 2C
AI summary
A blank (100) for forming a package (200), the blank (100) comprising a front wall panel (102), a bottom panel (104), a rear wall panel (106), and a lid panel (108), the blank further comprising a first end wall panel (110) and a second end wall panel (112) configured to form a double-walled end wall (202a), the blank further comprising a first handle panel (114) being foldab!y connected to one of the front wall panel (102) or the rear wall panel (106) and being configured to be inserted between the first and the second end wall panels (110, 112), wherein the first handle panel (114) comprises a first handle (116) cut from the first handle panel (114) and foldably connected to a remaining portion of the first handle panel (114), wherein the first handle (116) is accessible by the first end wall panel (110) comprising a through-going cut-out (118).